Ad
related to: when is a spirograph papertemu.com has been visited by 1M+ users in the past month
- Jaw-dropping prices
Countless Choices For Low Prices
Up To 90% Off For Everything
- Top Sale Items
Daily must-haves
Special for you
- Women's Clothing
Limited time offer
Hot selling items
- Temu Clearance
Countless Choices For Low Prices
Up To 90% Off For Everything
- Jaw-dropping prices
Search results
Results from the WOW.Com Content Network
Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.
Between 1962 and 1964 he developed various drawing machines from Meccano pieces, eventually producing a prototype Spirograph. Patented in 16 countries, it went on sale in Schofields department store in Leeds in 1965. A year later, Fisher licensed Spirograph to Kenner Products in the United States. In 1967 Spirograph was chosen as the UK Toy of ...
Spirograph, originally marketed as a "creative children's toy" in the 1960s, provided colored ballpoint pens as part of its package. Some of the most famous artists of the 20th century have utilized ballpoint pens to some extent during their careers. Andy Warhol and Alberto Giacometti both used ballpoints within their artwork in the 1950s.
Doing spirometry. Spirometry (meaning the measuring of breath) is the most common of the pulmonary function tests (PFTs). It measures lung function, specifically the amount (volume) and/or speed (flow) of air that can be inhaled and exhaled.
A pneumograph, also known as a pneumatograph or spirograph, is a device for recording velocity and force of chest movements during respiration. Principle of operation
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.
As a young man in 1827 he had developed a so-called "Speiragraph", an early prototype for the spirograph. He evidently continued on with experiments and inventions, and on 27 February 1860 received British patent no. 537 for 28 monocular and stereoscopic variations of cylindrical stroboscopic devices (see zoetrope ). [ 7 ]
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Ad
related to: when is a spirograph papertemu.com has been visited by 1M+ users in the past month